Ace Your Behavioral & Psychiatry Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Medical (MD/DO) Students
With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.
Behavioral & Psychiatry | Medical (MD/DO) School Study Aid
Measures Association Between an Exposure and an Outcome
Formula
Odds of Exposure in Diseased (Sick) Group
a / c
Divided /
Odds of Exposure in Healthy Group
b / d
Interpretation
=1 Exposure does not affect odds
> 1 Exposure increases disease
< 1 Exposure decreases disease
2 mins
Attributable Risk (AR)
Use
Proportion Exposure Increases Disease
Formula
Incidence of Diseased (Sick)
Equals =
Exposed Group
a / (a + b)
Minus -
Unexposed Group
c / (c + d)
1 min
Relative Risk (RR)
Use
Used in Cohort Studies
Formula
Risk of Developing Disease
Equals =
Exposed Group
a / (a + b)
Divided by /
Unexposed Group
c / (c + d)
When Low Prevalence Odds Ratio Approximates Relative Risk
2 mins
Positive Predictive Value (PPV)
Proportion of Positive Tests that are True Positive
Probability that Person with Positive Test has Disease
Formula
TP (True Positives)
Divided by /
All Positive Test Results
TP + FP
Considerations
Varies Directly with Prevalence
1 min
Negative Predictive Value (NPV)
Proportion of Negative Tests that are Truly Negative
Probability that Person with Negative Test is Healthy
Formula
(TN) True Negatives
Divided by /
All Negative Test Results
(FN + TN)
Considerations
Varies Inversely with Prevalence
1 min
Ace Your Medical (MD/DO) Classes & Exams with Picmonic:
Over 960,000 students use Picmonicโs picture mnemonics to improve knowledge, retention, and exam performance.
Choose the #1 Medical (MD/DO) student study app.
Picmonic for Medicine (MD/DO) covers information that is relevant to your entire Medical (MD/DO) education. Whether youโre studying for your classes or getting ready to conquer the USMLE Step 1, USMLE Step 2 CK, COMLEX Level 1, or COMLEX Level 2, weโre here to help.
Works better than traditional Medical (MD/DO) flashcards.
Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.
We use cookies to offer you a better experience and to analyze site traffic. By continuing to use this website you consent to the use of cookies in accordance with our Cookie Policy.